The Assessment of Metal Pollution in Eleyele Lake, Ibadan, Nigeria (original) (raw)

2018

Eleyele Lake is a multipurpose lake in the metropolitan city of Ibadan. It receives wastes from the surrounding communities. The objective of the study was to determine the levels of metals in water from Eleyele Lake and compare them against standard drinking water quality guidelines. Water samples were collected for three months at two sites and analyzed for metals using standard methods. Samples were taken with proper measures such as preservation, storage, and labeling. Collected data were analyzed using Microsoft Excel 2013. Statistical analysis was performed with SPSS software using one-way ANOVA. The obtained values for metals were compared with the standard values set by the World Health Organization (WHO) and local standards such as Nigerian Industrial standard (NIS). Site A showed comparatively higher values of metal concentrations in all the metals detected in the lake except for calcium in Site B which showed higher concentrations. Manganese, iron, lead, copper, zinc, cal...

Climate Change Impact on the Hydrologic Environment of Ise Bay

2013

For the purpose of an integrated watershed environment management, a coupled river runoff and ocean circulation model is developed. Climate change impact on the hydrologic environment of Ise Bay is assessed by the model. Future climate change of rain fall amount and air temperature from 15 CMIP3 models are used as an atmospheric boundary conditions, and climate change of river discharge and water temperature from Hydro-BEAM prediction are also used as a river mouth boundary condition. Future SST in Ise Bay increases by about 3℃ in August, while 2℃ in February. Coastal areas are more strongly influenced.For the purpose of an integrated watershed environment management, a coupled river runoff and ocean circulation model is developed. Climate change impact on the hydrologic environment of Ise Bay is assessed by the model. Future climate change of rain fall amount and air temperature from 15 CMIP3 models are used as an atmospheric boundary conditions, and climate change of river dischar...

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